<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>筛子</title>
  <style>
    .container {
      display: flex;
    }

    .v {
      display: flex;
      width: 100px;
      height: 100px;
      background: blueviolet;
      border-radius: 16px;
      margin: 0 10px 10px 0;
      border: 2px solid blueviolet;
    }

    .i {
      width: 30px;
      height: 30px;
      border-radius: 30px;
      background: #fff;
    }
  </style>
</head>
<body>
  <!--

    https://www.cnblogs.com/qcloud1001/p/9848619.html

   -->
  <div class="container">

    <div class="v">
      <div class="i"></div>
    </div>

    <div class="v" style="justify-content: center;">
      <div class="i"></div>
    </div>

    <div class="v" style="justify-content: flex-end;">
      <div class="i"></div>
    </div>

    <div class="v" style="justify-content: space-between;">
      <div class="i"></div>
      <div class="i"></div>
    </div>

    <div class="v" style="justify-content: space-between;
                          flex-direction: column;
                          align-items: flex-end;">
      <div class="i"></div>
      <div class="i"></div>
    </div>

    <div class="v" style="justify-content: space-between;
                          flex-direction: column;
                          align-items: center;">
      <div class="i" style="align-self: stretch;"></div>
      <div class="i"></div>
      <div class="i" style="align-self: flex-end;"></div>
    </div>

    <div class="v" style="flex-wrap: wrap;
                          justify-content: space-between;
                          align-content: space-between;">
      <div class="i"></div>
      <div class="i"></div>
      <div class="i"></div>
      <div class="i"></div>
    </div>

    <div class="v" style="flex-wrap: wrap;
                          justify-content: space-between;">
      <div style="display: flex;
                  justify-content: space-between;
                  flex-direction: column;">
        <div class="i"></div>
        <div class="i"></div>
      </div>
      <div style="display: flex;
                  justify-content: space-between;
                  flex-direction: column;">
        <div class="i"></div>
        <div class="i"></div>
      </div>
    </div>


  </div>
</body>
</html>
